EP1892965A3 - Compression et décompression intratrames d'une image video ayant un débit binaire fixe - Google Patents
Compression et décompression intratrames d'une image video ayant un débit binaire fixe Download PDFInfo
- Publication number
- EP1892965A3 EP1892965A3 EP07121939A EP07121939A EP1892965A3 EP 1892965 A3 EP1892965 A3 EP 1892965A3 EP 07121939 A EP07121939 A EP 07121939A EP 07121939 A EP07121939 A EP 07121939A EP 1892965 A3 EP1892965 A3 EP 1892965A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- data
- image
- bit rate
- macroblock
- image scan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US46051703P | 2003-04-04 | 2003-04-04 | |
US46054703P | 2003-04-04 | 2003-04-04 | |
EP04749684A EP1629675B1 (fr) | 2003-04-04 | 2004-04-01 | Debit binaire fixe, compression et decompression intratrames d'une image video |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04749684A Division EP1629675B1 (fr) | 2003-04-04 | 2004-04-01 | Debit binaire fixe, compression et decompression intratrames d'une image video |
EP04749684.9 Division | 2004-04-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1892965A2 EP1892965A2 (fr) | 2008-02-27 |
EP1892965A3 true EP1892965A3 (fr) | 2011-04-06 |
Family
ID=38980887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07121939A Ceased EP1892965A3 (fr) | 2003-04-04 | 2004-04-01 | Compression et décompression intratrames d'une image video ayant un débit binaire fixe |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP1892965A3 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2350664B1 (es) | 2008-09-01 | 2011-11-16 | Fundacion Cetena | Método de control de bit-rate en sistemas de compresión de video digital basados en mjpeg. |
US10657674B2 (en) | 2016-06-17 | 2020-05-19 | Immersive Robotics Pty Ltd. | Image compression method and apparatus |
AU2018218182B2 (en) | 2017-02-08 | 2022-12-15 | Immersive Robotics Pty Ltd | Antenna control for mobile device communication |
AU2018280337B2 (en) * | 2017-06-05 | 2023-01-19 | Immersive Robotics Pty Ltd | Digital content stream compression |
AU2018373495B2 (en) | 2017-11-21 | 2023-01-05 | Immersive Robotics Pty Ltd | Frequency component selection for image compression |
WO2019100108A1 (fr) | 2017-11-21 | 2019-05-31 | Immersive Robotics Pty Ltd | Compression d'images de réalité numérique |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0500077A2 (fr) * | 1991-02-21 | 1992-08-26 | Nec Corporation | Dispositif de codage pour comprimer des données d'image mobile et méthode de codage pour comprimer des données d'image |
WO1997016029A1 (fr) * | 1995-10-25 | 1997-05-01 | Sarnoff Corporation | Dispositif et procede d'optimisation de commande de debit dans un systeme de codage |
US5724097A (en) * | 1993-10-18 | 1998-03-03 | Mitsubishi Denki Kabushiki Kaisha | Adaptive quantization of video based on edge detection |
WO1998035500A1 (fr) * | 1997-02-11 | 1998-08-13 | Sharp Kabushiki Kaisha | Procede et dispositif pour optimiser les valeurs de quantification dans un codeur d'images |
US5821887A (en) * | 1996-11-12 | 1998-10-13 | Intel Corporation | Method and apparatus for decoding variable length codes |
WO2001011893A1 (fr) * | 1999-08-06 | 2001-02-15 | Sony Electronics Inc. | Procede de quantification de zone en angle mort et appareil de compression d'image |
US6249546B1 (en) * | 1997-12-01 | 2001-06-19 | Conexant Systems, Inc. | Adaptive entropy coding in adaptive quantization framework for video signal coding systems and processes |
US6438167B1 (en) * | 1993-03-29 | 2002-08-20 | Canon Kabushiki Kaisha | Code amount control device and encoding apparatus using the same |
US20030048848A1 (en) * | 2001-07-04 | 2003-03-13 | Chao-Cheng Li | Distributed video stream decoding system on compuer and decoding method of the same |
-
2004
- 2004-04-01 EP EP07121939A patent/EP1892965A3/fr not_active Ceased
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0500077A2 (fr) * | 1991-02-21 | 1992-08-26 | Nec Corporation | Dispositif de codage pour comprimer des données d'image mobile et méthode de codage pour comprimer des données d'image |
US6438167B1 (en) * | 1993-03-29 | 2002-08-20 | Canon Kabushiki Kaisha | Code amount control device and encoding apparatus using the same |
US5724097A (en) * | 1993-10-18 | 1998-03-03 | Mitsubishi Denki Kabushiki Kaisha | Adaptive quantization of video based on edge detection |
WO1997016029A1 (fr) * | 1995-10-25 | 1997-05-01 | Sarnoff Corporation | Dispositif et procede d'optimisation de commande de debit dans un systeme de codage |
US5821887A (en) * | 1996-11-12 | 1998-10-13 | Intel Corporation | Method and apparatus for decoding variable length codes |
WO1998035500A1 (fr) * | 1997-02-11 | 1998-08-13 | Sharp Kabushiki Kaisha | Procede et dispositif pour optimiser les valeurs de quantification dans un codeur d'images |
US6249546B1 (en) * | 1997-12-01 | 2001-06-19 | Conexant Systems, Inc. | Adaptive entropy coding in adaptive quantization framework for video signal coding systems and processes |
WO2001011893A1 (fr) * | 1999-08-06 | 2001-02-15 | Sony Electronics Inc. | Procede de quantification de zone en angle mort et appareil de compression d'image |
US20030048848A1 (en) * | 2001-07-04 | 2003-03-13 | Chao-Cheng Li | Distributed video stream decoding system on compuer and decoding method of the same |
Non-Patent Citations (4)
Title |
---|
"H.263+(or H.263 version 2), VIDEO CODING FOR LOW BITRATE COMMUNICATION", ITU STUDY GROUP 16 - VIDEO CODING EXPERTS GROUP -ISO/IEC MPEG & ITU-T VCEG(ISO/IEC JTC1/SC29/WG11 AND ITU-T SG16 Q6), XX, XX, no. H.263, version 2 (H, 9 February 1998 (1998-02-09), XP030001506 * |
"MPEG-2, visual part, 2nd edition", ITU STUDY GROUP 16 - VIDEO CODING EXPERTS GROUP -ISO/IEC MPEG & ITU-T VCEG(ISO/IEC JTC1/SC29/WG11 AND ITU-T SG16 Q6), XX, XX, no. 13818-2:2000, 1 February 2000 (2000-02-01), XP030001503 * |
JVT: "Text of Joint FCD for Joint Video Specification", ITU STUDY GROUP 16 - VIDEO CODING EXPERTS GROUP -ISO/IEC MPEG & ITU-T VCEG(ISO/IEC JTC1/SC29/WG11 AND ITU-T SG16 Q6), XX, XX, no. JVT-D157, 26 July 2002 (2002-07-26), XP030005420 * |
WENGER S: "FLEXIBLE MACROBLOCK ORDERING", JOINT VIDEO TEAM (JVT) OF ISO/IEC MPEG & ITU-T VCEG(ISO/IEC JTC1/SC29/WG11 AND ITU-T SG16 Q6), XX, XX, 1 May 2002 (2002-05-01), pages 1 - 10, XP002328375 * |
Also Published As
Publication number | Publication date |
---|---|
EP1892965A2 (fr) | 2008-02-27 |
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